Summary- The westerlies start to become more active through the Pacific Northwest, and fronts come into N California on Sept 23rd, 29-30th, and Oct 3-6th.
Summary- A longwave trough continues to bring mild or cool conditions across N and central California from Sept 13-22nd.
Summary- Strong upper high pressure produces dry and hot conditions in California during Sept 7-12th.
Summary- Strong upper high pressure will produce dry conditions in the Pacific Northwest.
Summary- Strong upper high pressure will continue over the Ohio Valley W to about New Mexico. Monsoonal moisture will tend to recurve into Arizona from western Mexico and Baja.
Summary- Strong upper high pressure will continue over the central Great Plains WSW to central and S California. This supports monsoonal moisture into S California at times.
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